<template>
  <div class="shopcar-contaniner">
    <div class="goods-list">
      <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <mt-switch
              v-model="$store.getters.getGoodsSelected[item.id]"
              @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"
            ></mt-switch>
            <img :src="item.thumb_path" alt srcset>
            <div class="info">
              <h1>{{item.title}}</h1>
              <p>
                <span class="price">￥{{item.sell_price}}</span>
                <numbox :initcount="$store.getters.getGoodCount[item.id]" :goodsid="item.id"></numbox>
                <!--问题:如何从购物车中获取商品的数量呢-->
                <!--1.我们可以先创建一个空对象,然后循环购物车中所有商品的数据,把当前循环这条商品的1d,
                作为对象的属性名, count值作为对象的属性值,这样,当把所有的商品循环一遍,就会得到一个对象: (88: 2, 89: 1, 90: 4 )-->
                <a href="#" @click.prevent="remove(item.id,i)">&nbsp;删除</a>
              </p>
            </div>
          </div>
        </div>
      </div>

      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner jiesuan">
            <div class="left">
              <p>总计(不含运费)</p>
              <p>
                已勾选商品
                <span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span> 件，总价￥
                <span class="red">{{$store.getters.getGoodsCountAndAmount.amount}}</span>
              </p>
            </div>
            <mt-button type="danger">去结算</mt-button>
          </div>
        </div>
      </div>
    </div>

    <!-- <p>{{$store.getters.getGoodsSelected}}</p> -->
  </div>
</template>

<script>
import numbox from "../subcomponents/shopcar_numbox.vue";

export default {
  data() {
    return {
      goodslist: [] //购物车中所有商品的数据
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    getGoodsList() {
      // 1.获取到stoze中所有的商品的1d,然后拼接出一个用逗号分隔的字符串
      var idArr = [];
      this.$store.state.car.forEach(item => {
        idArr.push(item.id);
      });
      //如果购物车中没有商品,则直接返回,不需要请求数据接口,否则会报错
      if (idArr.length <= 0) {
        return;
      }
      this.$ajax
        .get("/getshopcarlist/", {
          params: {
            ID: idArr.join(",")
          }
        })
        .then(response => {
          //   this.comments = response.data.message;
          //每当获取新评论数据的时候,不要把老数据清空覆盖,而是应该以若数据,拼接上新数据
          this.goodslist = response.data.message;
          console.log(this.goodslist);
        })
        .catch(error => {
          console.log(error);
          Toast({
            message: "获取评论加载失败..."
          });
        });
    },
    remove(id, index) {
      //点击删除,把商品从store中根据传递的id删除,同时,把当前组件中的goodslist中,对应要删除的那个商品,使用index来删除
      this.goodslist.splice(index, 1);
      this.$store.commit("removeFormCar", id);
    },
    selectedChanged(id, value) {
      //每当点击开关,把最新的快关状态,同步到store中
      this.$store.commit("updataGoodsSelected", { id, selected: value });
    }
  },
  components: {
    numbox
  }
};
</script>

<style lang="scss" scoped>
.shopcar-contaniner {
  background-color: #eee;
  overflow: hidden;
  height: 100%;
}
.goods-list {
  .mui-card-content-inner {
    display: flex;
    text-align: center;
    img {
      width: 60px;
      height: 60px;
    }
    .info {
      text-align: center;
      display: flex;
      flex-flow: column;
      justify-content: space-around;
      .price {
        color: red;
        font-weight: bold;
      }
      h1 {
        font-size: 13px;
        font-weight: bold;
      }
      a{
        color: blue;
      }
    }
  }
  .jiesuan {
    display: flex;
    justify-content: space-between;
    text-align: left;
    .left {
      display: flex;
      flex-flow: column;
      justify-content: space-between;
    }
    .red {
      color: red;
      font-weight: bold;
      font-size: 16px;
    }
  }
}
</style>

